Walter Hamilton Peters IV, M.D.
NPI 1831362037ActiveIndividual· Psychiatry & Neurology, Neurology· Columbia, SC
Psychiatry & Neurology, Neurology (M.D.) in Columbia, South Carolina, trained at Medical University of South Carolina College of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $293,960 for 2,089 claims, against $139,516 paid for services in 2024. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $114.59 in all, mostly food and beverage.
Overview
| NPI | 1831362037 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 8, 2008 |
| Last updated in NPPES | Sep 14, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 39207 | SC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (SC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 522 |
|---|---|
| Services billed | 9,319 across 24 procedure codes |
| Paid by Medicare | $139,516 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,089 · 3,507 30-day fills |
|---|---|
| Patients | 242 |
| Total drug cost | $293,960 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Medical University of South Carolina College of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Neurology |
Medical group
- Prisma Health Medical Group-MidlandsColumbia, SC · 1,068 clinicians
Hospital affiliations
- Prisma Health BaptistColumbia, SC
- Prisma Health Baptist ParkridgeColumbia, SC
- Prisma Health Richland HospitalColumbia, SC
- Prisma Health Tuomey HospitalSumter, SC
Industry payments (Open Payments)
- 2025$114.59 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $37.51 | 2 |
| Sk Life Science, Inc. | $27.83 | 1 |
| Alexion Pharmaceuticals, Inc. | $27.20 | 1 |
| Pfizer Inc. | $22.05 | 1 |
What the 2025 payments were for
- Food and Beverage$114.59 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 65 neurologists in Columbia · All neurologists in South Carolina